fixed index issue

[chidiewenike]

What's New?

When the Google Variable Extraction returns an object, the program now ensures that the object contains entity content. This fixes the indexing error.

Fixes #169

Type of change (pick-one)

• [X ] Bug fix (non-breaking change which fixes an issue)
• [ ] New feature (non-breaking change which adds functionality)
• [ ] Breaking change (fix or feature that would cause existing functionality to not work as expected)
• [ ] This change requires a documentation update

How Has This Been Tested?

Please describe the tests that you ran to verify your changes. Provide instructions so we can reproduce. Please also list any relevant details for your test configuration (hardware/operating system/etc).

Checklist (check-all-before-merge)

formatting help: - [x] means "checked' and - [ ] means "unchecked"

• [X ] I documented my code according to the Google Python Style Guide

• [ ] I ran ./build_docs.sh and the docs look fine

• [ ] I ran ./type_check.sh and got no errors

• [X ] I ran ./format.sh because it automatically cleans my code for me 😄

• [ ] I ran ./lint.sh to check for what "format" missed

• [ ] I added my tests to the /tests directory

• [ ] I ran ./run_tests.sh and all the tests pass

[sonarcloud[bot]]

Kudos, SonarCloud Quality Gate passed!

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